“Shepard’s story came to a close at the end of the game,” BioWare Producer Mike Gamble told the crowd at EA’s Summer Showcase last week. “But there are more stories we want to tell in the Mass Effect universe.” Leviathan is Mass Effect 3’s first story-focused DLC, and in addition to introducing new characters, weapons, and combat challenges it promises to expand on what we know (and what we don’t) about the most feared beings in the universe — the Reapers.